Home / 207,831.04-286,810.03-121,769.43

Finding the Fourth Proportional to 207,831.04, 286,810.03 and 121,769.43

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Solution

The fourth proportional to 207,831.04, 286,810.03 and 121,769.43 is: 168,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,831.04 : 286,810.03 = 121,769.43 : x
  2. Step 2: Convert to fraction form
    207,831.04/286,810.03 = 121,769.43/x
  3. Step 3: Cross multiply
    207,831.04x = 286,810.03 × 121,769.43
  4. Step 4: Simplify right side
    207,831.04x = 34,924,692,434.34
  5. Step 5: Solve for x
    x = 34,924,692,434.34/207,831.04
  6. Step 6: Final answer
    x = 168,043.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.